src/chrome/browser/profiles/profile_destroyer_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/profiles/profile_destroyer.h"
   6
   7 #include "chrome/test/base/browser_with_test_window_test.h"
   8 #include "chrome/test/base/testing_profile.h"
   9 #include "content/public/browser/render_process_host.h"
  10 #include "content/public/browser/site_instance.h"
  11
  12 class TestingOffTheRecordDestructionProfile : public TestingProfile {
  13  public:
  14   TestingOffTheRecordDestructionProfile()
  15       : TestingProfile(base::FilePath(),
  16                        NULL,
  17                        scoped_refptr<ExtensionSpecialStoragePolicy>()
  18                        scoped_ptr<PrefServiceSyncable>(),
  19                        true,
  20                        TestingFactories()),
  21         destroyed_otr_profile_(false) {
  22     set_incognito(true);
  23   }
  24   virtual void DestroyOffTheRecordProfile() override {
  25     destroyed_otr_profile_ = true;
  26   }
  27   bool destroyed_otr_profile_;
  28
  29   DISALLOW_COPY_AND_ASSIGN(TestingOffTheRecordDestructionProfile);
  30 };
  31
  32 class TestingOriginalDestructionProfile : public TestingProfile {
  33  public:
  34   TestingOriginalDestructionProfile() : destroyed_otr_profile_(false) {
  35     DCHECK_EQ(kNull, living_instance_);
  36     living_instance_ = this;
  37   }
  38   virtual ~TestingOriginalDestructionProfile() {
  39     DCHECK_EQ(this, living_instance_);
  40     living_instance_ = NULL;
  41   }
  42   virtual void DestroyOffTheRecordProfile() override {
  43     SetOffTheRecordProfile(NULL);
  44     destroyed_otr_profile_ = true;
  45   }
  46   bool destroyed_otr_profile_;
  47   static TestingOriginalDestructionProfile* living_instance_;
  48
  49   // This is to avoid type casting in DCHECK_EQ & EXPECT_NE.
  50   static const TestingOriginalDestructionProfile* kNull;
  51
  52   DISALLOW_COPY_AND_ASSIGN(TestingOriginalDestructionProfile);
  53 };
  54 const TestingOriginalDestructionProfile*
  55     TestingOriginalDestructionProfile::kNull = NULL;
  56
  57 TestingOriginalDestructionProfile*
  58     TestingOriginalDestructionProfile::living_instance_ = NULL;
  59
  60 class ProfileDestroyerTest : public BrowserWithTestWindowTest {
  61  public:
  62   ProfileDestroyerTest() : off_the_record_profile_(NULL) {}
  63
  64  protected:
  65   virtual TestingProfile* CreateProfile() override {
  66     if (off_the_record_profile_ == NULL)
  67       off_the_record_profile_ = new TestingOffTheRecordDestructionProfile();
  68     return off_the_record_profile_;
  69   }
  70   TestingOffTheRecordDestructionProfile* off_the_record_profile_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(ProfileDestroyerTest);
  73 };
  74
  75 TEST_F(ProfileDestroyerTest, DelayProfileDestruction) {
  76   scoped_refptr<content::SiteInstance> instance1(
  77       content::SiteInstance::Create(off_the_record_profile_));
  78   scoped_ptr<content::RenderProcessHost> render_process_host1;
  79   render_process_host1.reset(instance1->GetProcess());
  80   ASSERT_TRUE(render_process_host1.get() != NULL);
  81
  82   scoped_refptr<content::SiteInstance> instance2(
  83       content::SiteInstance::Create(off_the_record_profile_));
  84   scoped_ptr<content::RenderProcessHost> render_process_host2;
  85   render_process_host2.reset(instance2->GetProcess());
  86   ASSERT_TRUE(render_process_host2.get() != NULL);
  87
  88   // destroying the browser should not destroy the off the record profile...
  89   set_browser(NULL);
  90   EXPECT_FALSE(off_the_record_profile_->destroyed_otr_profile_);
  91
  92   // until we destroy the render process host holding on to it...
  93   render_process_host1.release()->Cleanup();
  94
  95   // And asynchronicity kicked in properly.
  96   base::MessageLoop::current()->RunUntilIdle();
  97   EXPECT_FALSE(off_the_record_profile_->destroyed_otr_profile_);
  98
  99   // I meant, ALL the render process hosts... :-)
 100   render_process_host2.release()->Cleanup();
 101   base::MessageLoop::current()->RunUntilIdle();
 102   EXPECT_TRUE(off_the_record_profile_->destroyed_otr_profile_);
 103 }
 104
 105 TEST_F(ProfileDestroyerTest, DelayOriginalProfileDestruction) {
 106   TestingOriginalDestructionProfile* original_profile =
 107       new TestingOriginalDestructionProfile;
 108
 109   TestingOffTheRecordDestructionProfile* off_the_record_profile =
 110       new TestingOffTheRecordDestructionProfile;
 111
 112   original_profile->SetOffTheRecordProfile(off_the_record_profile);
 113
 114   scoped_refptr<content::SiteInstance> instance1(
 115       content::SiteInstance::Create(off_the_record_profile));
 116   scoped_ptr<content::RenderProcessHost> render_process_host1;
 117   render_process_host1.reset(instance1->GetProcess());
 118   ASSERT_TRUE(render_process_host1.get() != NULL);
 119
 120   // Trying to destroy the original profile should be delayed until associated
 121   // off the record profile is released by all render process hosts.
 122   ProfileDestroyer::DestroyProfileWhenAppropriate(original_profile);
 123   EXPECT_NE(TestingOriginalDestructionProfile::kNull,
 124             TestingOriginalDestructionProfile::living_instance_);
 125   EXPECT_FALSE(original_profile->destroyed_otr_profile_);
 126
 127   render_process_host1.release()->Cleanup();
 128   base::MessageLoop::current()->RunUntilIdle();
 129   EXPECT_EQ(NULL, TestingOriginalDestructionProfile::living_instance_);
 130
 131   // And the same protection should apply to the main profile.
 132   TestingOriginalDestructionProfile* main_profile =
 133       new TestingOriginalDestructionProfile;
 134   scoped_refptr<content::SiteInstance> instance2(
 135       content::SiteInstance::Create(main_profile));
 136   scoped_ptr<content::RenderProcessHost> render_process_host2;
 137   render_process_host2.reset(instance2->GetProcess());
 138   ASSERT_TRUE(render_process_host2.get() != NULL);
 139
 140   ProfileDestroyer::DestroyProfileWhenAppropriate(main_profile);
 141   EXPECT_EQ(main_profile, TestingOriginalDestructionProfile::living_instance_);
 142   render_process_host2.release()->Cleanup();
 143   base::MessageLoop::current()->RunUntilIdle();
 144   EXPECT_EQ(NULL, TestingOriginalDestructionProfile::living_instance_);
 145 }